Ibellarodriguez
Ibellarodriguez Ibellarodriguez
  • 02-05-2021
  • Mathematics
contestada

Solve the system of linear equations by substitution.
x-2y=6
3x-5y=11

Respuesta :

maggielee724
maggielee724 maggielee724
  • 02-05-2021

Answer:

x = -8, y = -7

Step-by-step explanation:

=> x = 6 + 2y

substitute x = 6 + 2y into the equation 3x - 5y = 11 to solve for y:

=> 3(6 + 2y) - 5y = 11

=> 18 + 6y -5y = 11

=> y = -7

substitute y = -7 into the equation x - 2y = 6 to solve for x:

=> x - 2(-7) = 6

=> x +14 = 6

=> x = -8

Answer Link

Otras preguntas

Does the graph represent a function?
PLEASE HELP!?!!?!?!!! Write -1.5 as a mixed number in simplest form.
AR What is the correct order that the four parts of a cover letter should appear in? a. Introduction, Heading, Argument, Closing b. Heading, Introduction, Argum
Do I use LCM or HCF? And how can I decide which to use? (Brainliest if you can answer the whole thing)
K' (-2.5, -0.5) is the imagine of P after a dilation centered at the origin with a scale factor of 1/4. What are the coordinates of K?
One student records information about galaxies in the chart shown below. Which columns in the chart would most likely have the same description for all three g
The "secret weapon" of Rome's engineers that enabled them to build bigger, stronger, and faster than anyone else was Please help me
Help would be amazing right now!
please solve for questions 1-3
what is the factored form of x²+2x